CN206338177U - A kind of antifouling blowout prevention pump - Google Patents
A kind of antifouling blowout prevention pump Download PDFInfo
- Publication number
- CN206338177U CN206338177U CN201621354503.XU CN201621354503U CN206338177U CN 206338177 U CN206338177 U CN 206338177U CN 201621354503 U CN201621354503 U CN 201621354503U CN 206338177 U CN206338177 U CN 206338177U
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- CN
- China
- Prior art keywords
- overcoat
- assembly
- liquid feed
- blowout prevention
- valve
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Abstract
The utility model discloses a kind of antifouling blowout prevention pump, including piston assembly and pump barrel assembly, it is characterised in that：The pump barrel assembly includes the pump barrel being sequentially connected from top to bottom, the travelling valve seat of lower travelling valve assembly, lower overcoat, lower contact, the upper end of the lower travelling valve assembly and the piston phase configuration of piston assembly, it is located in lower overcoat below lower travelling valve assembly and is sequentially provided with c-type set, standing valve assembly, liquid feed valve, sealing shroud is provided between liquid feed valve and lower overcoat, the sealing shroud is fixedly installed with lower overcoat, the liquid feed valve is installed on sealing shroud by shear pin, and sealing shroud can seal up the lateral inlet opening of liquid feed valve.The utility model can be realized to be entered under the anti-pollution, blowout prevention with pressure of tubing string, then piston assembly and c-type set is promoted to open feed pathway using sucker rod self gravitation, the technical barrier with pressure pump is solved, anti-pollution, blowout prevention purpose during entering under pumping tubing string is reached.
Description
Technical field
The utility model is related to a kind of oil well pump of field of oilfield exploitation, more particularly to a kind of antifouling blowout prevention pump.
Background technology
Jianghan Oil-field part oil area has stronger sensitiveness, and oil well is by long period of development, and strata pressure is relatively low, and measure is made
A large amount of water enter stratum during industry, are easily caused reservoir damage, and yield recovers slow, and part well even needs the several months even most
Yield before can not all resuming operation eventually is, it is necessary to strictly control the processes such as well-flushing, while during long-term production, pit shaft is easily attached
Dirt etc., dirt during wellbore cleanout is easily caused lower pump is not carried out and enters pump barrel, causes pumping tubing string to fail, particularly
Part well gassiness, easily causes well control risk during lower pump, how to optimize lower pump and makees to turn into oil field urgently to be resolved hurrily already
Develop problem.
Utility model content
Technical problem to be solved in the utility model is that the deficiency existed for above-mentioned prior art provided one kind both
It can realize that oil well pump band is depressed into the antifouling blowout prevention pump that can prevent pump barrel during entering under tubing string from polluting again.
The technical scheme that the utility model is used for：A kind of antifouling blowout prevention pump, including piston assembly and pump barrel assembly, its
It is characterised by：The pump barrel assembly include be sequentially connected from top to bottom pump barrel, lower travelling valve assembly travelling valve seat, under
Overcoat, lower contact, the upper end of the lower travelling valve assembly and the piston phase configuration of piston assembly, are located at downstream in lower overcoat
C-type set, standing valve assembly, liquid feed valve are sequentially provided with below dynamic valve assembly, provided with close between liquid feed valve and lower overcoat
Big envelope, the sealing shroud is fixedly installed with lower overcoat, and the liquid feed valve is installed on sealing shroud by shear pin, and sealing shroud can be close
Seal the lateral inlet opening of liquid feed valve.
By above-mentioned technical proposal, radial direction draining pin is installed on lower outer set, what the radial direction draining pin covered from c-type
Stretched at groove in c-type set hole
By above-mentioned technical proposal, overcoat, upper end and the sand setting overcoat of the upper overcoat are connected with the upper end of lower overcoat
It is connected, top connection is connected with the upper end of desilting overcoat, the upper end of the pump barrel is connected by centralizer body with sand setting overcoat.
It is upper traveling valve cover that the piston assembly includes being sequentially connected from top to bottom, upper travelling by above-mentioned technical proposal
Valve assembly, jointing, piston.
By above-mentioned technical proposal, multiple inlet openings are provided with the lower end outer wall of liquid feed valve.
By above-mentioned technical proposal, the c-type set is formed to open up axial pass trough on the side wall of annular sleeve.
Operation principle of the present utility model is：By in the upper end connected pipes lower going-into-well of the utility model pump barrel assembly, pump
Take out and enter under tubing string process pump barrel assembly bottom in closed state, wellhead blowout preventor is used in combination, realizes that tubing string is with pressure anti-pollution
Enter under blowout prevention.It is constructed, production process：Transferred in tubing string to specified location, under enter sucker rod and piston assembly, using taking out
Beam hanger self gravitation promotes piston assembly to slide downwards, and piston assembly promotes c-type set, standing valve by lower travelling valve assembly
Assembly, and liquid feed valve are descending, cut after shear pin, liquid feed valve is continued traveling downwardly, and open the inlet opening on liquid feed valve, form feed liquor and lead to
Road.
Having the beneficial effect that acquired by the utility model：
1st, the utility model can be realized enters under the anti-pollution, blowout prevention with pressure of tubing string, is then pushed away using sucker rod self gravitation
Piston assembly and c-type set open feed pathway, solve the technical barrier with pressure pump, reach during entering under pumping tubing string
Anti-pollution, blowout prevention purpose；
2nd, the features such as the utility model has simple to operate, highly versatile, high safety and reliability.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model.
Fig. 2 is the A-A sectional views in Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, a kind of antifouling blowout prevention pump, including piston assembly and pump barrel assembly are present embodiments provided.It is described
Piston assembly includes the upper traveling valve cover 1 being sequentially connected from top to bottom, upper traveling valve assembly, jointing 4, piston 7, its
In, upper traveling valve assembly includes valve ball 2 and valve seat 4.The pump barrel assembly includes the pump barrel being sequentially connected from top to bottom
8th, the travelling valve seat of lower travelling valve assembly 10, lower overcoat 13, lower contact 18, overcoat is connected with the upper end of lower overcoat 13
20, the upper end of the upper overcoat 20 is connected with sand setting overcoat 9, and top connection 4, the pump barrel 8 are connected with the upper end of desilting overcoat 9
Upper end be connected by centralizer body 6 with sand setting overcoat 9.The upper end of the lower travelling valve assembly 10 and the phase configuration of piston 7, under
C-type set 11, standing valve assembly 17, liquid feed valve 15 are sequentially provided with positioned at the lower section of lower travelling valve assembly 10 in overcoat 13,
Sealing shroud 17 is provided between liquid feed valve 15 and lower overcoat, the sealing shroud 17 is fixedly installed with lower sleeve thread, the liquid feed valve
15 are installed on sealing shroud 17 by shear pin 16, and multiple inlet openings 19 are provided with the lower end outer wall of liquid feed valve.And the energy of sealing shroud 17
Seal up the lateral inlet opening 19 of liquid feed valve 16.Wherein, c-type set is opens up axial pass trough and shape on the side wall of annular sleeve
Into being installed on radial direction draining pin 12 on lower outer set, the radial direction draining pin stretches into c-type set hole at the groove that c-type covers
It is interior.
During entering under, by the upper end connected pipes lower going-into-well of the utility model pump barrel assembly, enter under pumping tubing string
Process pump barrel assembly bottom is in closed state, and wellhead blowout preventor is used in combination, realizes and enters under tubing string anti-pollution blowout prevention with pressure.Its
Construction, production process：Transferred in tubing string to specified location, under enter sucker rod and piston assembly, utilize sucker rod itself weight
The sliding downwards of piston 7 is pushed, piston 7 promotes c-type set 11, standing valve assembly 14 by lower travelling valve assembly 10, and enters
Liquid valve 15 is descending, cuts after shear pin 16, liquid feed valve 15 is continued traveling downwardly, and opens the inlet opening 19 on liquid feed valve 15, forms feed liquor and leads to
Road.
Claims (6)
1. a kind of antifouling blowout prevention pump, including piston assembly and pump barrel assembly, it is characterised in that：The pump barrel assembly is included from up to
Under be sequentially connected pump barrel, the travelling valve seat of lower travelling valve assembly, lower overcoat, lower contact, the lower travelling valve assembly
Upper end and piston assembly piston phase configuration, in lower overcoat be located at lower travelling valve assembly below be sequentially provided with c-type set,
Standing valve assembly, liquid feed valve, are provided with sealing shroud between liquid feed valve and lower overcoat, and the sealing shroud is fixed with lower overcoat and set
Put, the liquid feed valve is installed on sealing shroud by shear pin, and sealing shroud can seal up the lateral inlet opening of liquid feed valve.
2. antifouling blowout prevention pump according to claim 1, it is characterised in that：Radial direction draining pin, institute are installed on lower outer set
Radial direction draining pin is stated to stretch at the groove that c-type covers in c-type set hole.
3. antifouling blowout prevention pump according to claim 1 or claim 2, it is characterised in that：Overcoat, institute are connected with the upper end of lower overcoat
The upper end for stating overcoat is connected with sand setting overcoat, and top connection is connected with the upper end of desilting overcoat, and the upper end of the pump barrel passes through
Centralizer body is connected with sand setting overcoat.
4. antifouling blowout prevention pump according to claim 1 or 2, it is characterised in that：The piston assembly include from top to bottom according to
Secondary connected upper traveling valve cover, upper traveling valve assembly, jointing, piston.
5. antifouling blowout prevention pump according to claim 1 or 2, it is characterised in that：It is provided with multiple in the lower end outer wall of liquid feed valve
Inlet opening.
6. antifouling blowout prevention pump according to claim 1, it is characterised in that：The c-type set is to be opened on the side wall of annular sleeve
If axial pass trough and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354503.XU CN206338177U (en) | 2016-12-12 | 2016-12-12 | A kind of antifouling blowout prevention pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354503.XU CN206338177U (en) | 2016-12-12 | 2016-12-12 | A kind of antifouling blowout prevention pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338177U true CN206338177U (en) | 2017-07-18 |
Family
ID=59308520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621354503.XU Active CN206338177U (en) | 2016-12-12 | 2016-12-12 | A kind of antifouling blowout prevention pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338177U (en) |
-
2016
- 2016-12-12 CN CN201621354503.XU patent/CN206338177U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191211 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE, JIANGHAN OILFIELD BRANCH OF CHINA PETROCHEMICAL CORPORATION Patentee after: China Petrochemical Co., Ltd. Address before: 430035 Hubei city of Wuhan province Gutian two Road No. 37 HSBC Nanniwan Avenue headquarters block fifth B Patentee before: PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE, JIANGHAN OILFIELD BRANCH OF CHINA PETROCHEMICAL CORPORATION |
|
| TR01 | Transfer of patent right |